Merge tag 'microblaze-3.20-rc1' of git://git.monstr.eu/linux-2.6-microblaze
[sfrench/cifs-2.6.git] / samples / bpf / sockex2_user.c
1 #include <stdio.h>
2 #include <assert.h>
3 #include <linux/bpf.h>
4 #include "libbpf.h"
5 #include "bpf_load.h"
6 #include <unistd.h>
7 #include <arpa/inet.h>
8
9 int main(int ac, char **argv)
10 {
11         char filename[256];
12         FILE *f;
13         int i, sock;
14
15         snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
16
17         if (load_bpf_file(filename)) {
18                 printf("%s", bpf_log_buf);
19                 return 1;
20         }
21
22         sock = open_raw_sock("lo");
23
24         assert(setsockopt(sock, SOL_SOCKET, SO_ATTACH_BPF, prog_fd,
25                           sizeof(prog_fd[0])) == 0);
26
27         f = popen("ping -c5 localhost", "r");
28         (void) f;
29
30         for (i = 0; i < 5; i++) {
31                 int key = 0, next_key;
32                 long long value;
33
34                 while (bpf_get_next_key(map_fd[0], &key, &next_key) == 0) {
35                         bpf_lookup_elem(map_fd[0], &next_key, &value);
36                         printf("ip %s count %lld\n",
37                                inet_ntoa((struct in_addr){htonl(next_key)}),
38                                value);
39                         key = next_key;
40                 }
41                 sleep(1);
42         }
43         return 0;
44 }